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Reproduction
reproduction
29
Science
10th Grade
08/22/2021

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Term
Asexual reproduction
Definition
the process resulting in the production of genetically identical offspring from one parent without gametes
Term
sexual reproduction
Definition
a process involving two gametes to form zygote
Term
pollination
Definition
the transfer of pollen grain to the stigma
Term
self-pollination
Definition
The transfer of pollen grains from the anther to the stigma of the same flower or of a different flower on the the same plant.
Term
cross-pollination
Definition
the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.
Term
puberty
Definition
the stage where human growth and development in person becomes mature
Term
germination
Definition
is when the seed coat breaks open and the embryo starts to grow n develop into new plant
Term
anthers
Definition
The part of the stamen where pollen is produced
Term
ovules
Definition
plant structure that develops into a seed when fertilized.
Term
fertilization
Definition
The process of combining the male gamete, or sperm, with the female gamete, or ovum.
Term
ovary
Definition
enlarged basal portion of the pistil, the female organ of a flower
Term
wind-pollinated
Definition
a form of pollination whereby pollen is distributed by wind
Term
testes
Definition
One of two egg-shaped glands inside the scrotum that produce sperm and male hormones.
Term
sperm
Definition
male reproductive cell
Term
semen
Definition
fluid that is emitted from the male reproductive tract
Term
ovaries
Definition
the female gonads
Term
uterus
Definition
an inverted pear-shaped muscular organ of the female reproductive system,
Term
oviducts
Definition
a paired organ that is essential for fertility.
Term
acrosome
Definition
a special kind of organelle with a cap-like structure that covers the anterior portion of the head of the spermatozoon.
Term
chromosome
Definition
A structure found inside the nucleus of a cell.
Term
ovulation
Definition
The release of an egg from an ovary during the menstrual cycle.
Term
menstrual cycle
Definition
The monthly cycle of changes in the ovaries and the lining of the uterus
Term
embryo
Definition
an organism in early stages of development, before hatching from an egg
Term
implantation
Definition
a process in which a developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall and remains attached to it until birth
Term
fetus
Definition
an unborn baby that develops and grows inside the uterus
Term
amniotic fluid
Definition
the fluid surrounding the developing fetus within the amniotic sac
Term
amniotic sac
Definition
the sac filled with amniotic fluid
Term
placenta
Definition
A temporary organ that joins the mother and fetus
Term
zygote
Definition
fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete
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